x^2 - 19x + 90 = 0 Factor and solve

Asked by AnneS2 12 years ago 10/23/2013 6:36 AM

Last updated by anonymous 12 years ago 10/24/2013 11:16 AM

Answered by CherieS 12 years ago 10/24/2013 11:16 AM

x^2 - 19x + 90 = 0

(x )(x ) ( -10)( -9)=0

(x-10) (x-9) = 0

Solve:

(x-10)=0

x-10+10=0+10

x=10

Solve:

(x-9) = 0

x-9+9 = 0+9

x=9